2359 int __copy_msghdr(struct msghdr *kmsg,  in __copy_msghdr()  argument
2365 	kmsg->msg_control_is_user = true;  in __copy_msghdr()
2366 	kmsg->msg_get_inq = 0;  in __copy_msghdr()
2367 	kmsg->msg_control_user = msg->msg_control;  in __copy_msghdr()
2368 	kmsg->msg_controllen = msg->msg_controllen;  in __copy_msghdr()
2369 	kmsg->msg_flags = msg->msg_flags;  in __copy_msghdr()
2371 	kmsg->msg_namelen = msg->msg_namelen;  in __copy_msghdr()
2373 		kmsg->msg_namelen = 0;  in __copy_msghdr()
2375 	if (kmsg->msg_namelen < 0)  in __copy_msghdr()
2378 	if (kmsg->msg_namelen > sizeof(struct sockaddr_storage))  in __copy_msghdr()
2379 		kmsg->msg_namelen = sizeof(struct sockaddr_storage);  in __copy_msghdr()
2384 	if (msg->msg_name && kmsg->msg_namelen) {  in __copy_msghdr()
2387 						  kmsg->msg_namelen,  in __copy_msghdr()
2388 						  kmsg->msg_name);  in __copy_msghdr()
2393 		kmsg->msg_name = NULL;  in __copy_msghdr()
2394 		kmsg->msg_namelen = 0;  in __copy_msghdr()
2400 	kmsg->msg_iocb = NULL;  in __copy_msghdr()
2401 	kmsg->msg_ubuf = NULL;  in __copy_msghdr()
2405 static int copy_msghdr_from_user(struct msghdr *kmsg,  in copy_msghdr_from_user()  argument
2416 	err = __copy_msghdr(kmsg, &msg, save_addr);  in copy_msghdr_from_user()
2422 			    UIO_FASTIOV, iov, &kmsg->msg_iter);  in copy_msghdr_from_user()